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2026-07-18 - 11:46
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sat Jul 18, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133402120111,6sleep10-21swapper/119:05:041
13347211298,8sleep30-21swapper/319:05:103
183992110100,7sleep20-21swapper/219:06:292
18345210998,5sleep00-21swapper/019:05:470
148352570,0sleep00-21swapper/021:55:180
249892550,0sleep00-21swapper/020:10:140
86352540,0sleep10-21swapper/123:15:161
83642350,0sleep2301ktimersoftd/219:55:182
1884199291,27cyclictest0-21swapper/220:48:252
18841992813,2cyclictest749-21snmpd20:50:142
1884199270,3cyclictest0-21swapper/220:36:592
18841992618,7cyclictest749-21snmpd22:19:052
18841992618,7cyclictest749-21snmpd19:42:222
18841992618,7cyclictest749-21snmpd00:26:002
18841992617,5cyclictest749-21snmpd23:30:112
1884199260,2cyclictest0-21swapper/220:00:352
18841992518,6cyclictest749-21snmpd22:20:142
18841992517,7cyclictest749-21snmpd23:13:542
1884199250,14cyclictest0-21swapper/222:10:112
1883099250,24cyclictest0-21swapper/000:09:030
1884199242,13cyclictest280-21systemd-journal00:36:122
18841992417,6cyclictest749-21snmpd20:41:352
18841992417,6cyclictest0-21swapper/200:00:212
18841992416,7cyclictest749-21snmpd22:08:082
18841992416,7cyclictest749-21snmpd21:50:092
1884199240,4cyclictest280-21systemd-journal19:50:212
1884199240,24cyclictest0-21swapper/219:16:072
1884199239,13cyclictest0-21swapper/220:30:132
1884199238,14cyclictest0-21swapper/219:25:172
1884199238,14cyclictest0-21swapper/219:25:162
18841992321,2cyclictest0-21swapper/221:37:442
18841992321,2cyclictest0-21swapper/220:22:012
18841992316,6cyclictest749-21snmpd21:45:352
18841992316,6cyclictest749-21snmpd20:17:592
18841992315,7cyclictest749-21snmpd21:59:472
18841992315,1cyclictest749-21snmpd21:17:142
1884199231,3cyclictest0-21swapper/223:26:482
1884199231,21cyclictest0-21swapper/222:57:442
1884199231,21cyclictest0-21swapper/222:04:112
1884199231,20cyclictest0-21swapper/221:20:112
1884199230,22cyclictest0-21swapper/221:00:502
18835992319,2cyclictest749-21snmpd21:35:201
1883599231,21cyclictest0-21swapper/120:27:261
1883599231,21cyclictest0-21swapper/120:19:501
1883599230,22cyclictest0-21swapper/119:41:221
18841992214,1cyclictest749-21snmpd23:40:442
1884199220,8cyclictest31988-21sshd00:33:332
1884199220,21cyclictest0-21swapper/222:54:022
1884199220,16cyclictest0-21swapper/221:09:022
1884199220,13cyclictest280-21systemd-journal23:56:042
18835992218,3cyclictest0-21swapper/121:44:021
1883599221,20cyclictest0-21swapper/122:25:351
1883599221,20cyclictest0-21swapper/120:40:591
1883599220,21cyclictest0-21swapper/123:05:051
1883599220,21cyclictest0-21swapper/123:00:261
1883599220,21cyclictest0-21swapper/121:53:441
1883599220,21cyclictest0-21swapper/121:04:051
1883599220,21cyclictest0-21swapper/119:48:231
1883599220,21cyclictest0-21swapper/100:38:121
1883599220,21cyclictest0-21swapper/100:25:481
28652210,1sleep10-21swapper/120:45:191
1884199212,14cyclictest0-21swapper/221:43:452
18841992119,2cyclictest0-21swapper/223:16:202
18841992117,3cyclictest0-21swapper/200:15:282
18841992115,1cyclictest749-21snmpd22:38:532
18841992113,1cyclictest749-21snmpd22:43:082
18841992113,1cyclictest749-21snmpd19:37:112
1884199210,9cyclictest0-21swapper/219:12:092
1884199210,20cyclictest0-21swapper/223:05:072
1884199210,20cyclictest0-21swapper/220:59:082
1884199210,20cyclictest0-21swapper/219:49:352
1884199210,20cyclictest0-21swapper/219:23:182
1884199210,14cyclictest0-21swapper/223:35:242
1884199210,14cyclictest0-21swapper/221:14:372
18835992119,2cyclictest0-21swapper/120:56:171
18835992118,3cyclictest0-21swapper/122:41:321
18835992117,3cyclictest0-21swapper/122:53:171
18835992117,3cyclictest0-21swapper/122:18:291
18835992117,3cyclictest0-21swapper/119:55:531
18835992117,3cyclictest0-21swapper/100:22:001
18835992117,3cyclictest0-21swapper/100:13:001
1883599211,19cyclictest0-21swapper/120:32:461
1883599210,2cyclictest0-21swapper/123:21:321
1883599210,20cyclictest0-21swapper/123:56:511
1883599210,20cyclictest0-21swapper/122:48:291
1883599210,20cyclictest0-21swapper/122:24:051
1883599210,20cyclictest0-21swapper/121:57:171
1883599210,20cyclictest0-21swapper/121:47:231
1883599210,20cyclictest0-21swapper/121:30:171
1883599210,20cyclictest0-21swapper/120:51:111
1883599210,20cyclictest0-21swapper/120:08:371
1883599210,20cyclictest0-21swapper/120:01:231
1883599210,20cyclictest0-21swapper/119:36:441
1883599210,20cyclictest0-21swapper/100:30:281
1883599210,19cyclictest5649-21runrttasks19:22:271
18830992118,2cyclictest749-21snmpd23:16:230
18830992118,2cyclictest749-21snmpd21:53:440
18830992118,2cyclictest749-21snmpd20:27:260
18830992118,2cyclictest749-21snmpd19:41:230
1884199206,8cyclictest8015-21/usr/sbin/munin23:45:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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